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LOT 2581
Fossil Fish in Matrix
EOCENE PERIOD, CIRCA 58-36 MILLION YEARS B.P.
5 1/8 x 5 3/8 in. (622 grams, 13.1 x 13.7 cm).
Comprising two complete Knightia alta specimens and remains of a third fish. [No Reserve]
ProvenanceFrom Wyoming (Green River Formation), USA.
From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Ulinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Rock Crystal Bead Necklace with Amulets
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Composed of large reclining cat amulets interspersed with facetted cylindrical beads; restrung. 140 grams, 72 cm
Ex West country, UK, collection, 2000s. -
Fossil Hadrosaur Dinosaur Nest Egg Pair
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £1,430
A pair of Charonosaurus sp. hadrosaur eggs on a matrix retaining evidence of the original leathery surface. 7.6 kg total, 26 x 14 cm
From a Lincolnshire, UK, collection, 1990s. Property of a Cambridgeshire gentleman.
Dinosaur eggs are known from about 200 sites around the world, the majority in Asia and mostly in terrestrial (non-marine) rocks of the Cretaceous Period. It may be that thick calcite eggshells evolved during the Cretaceous (145 to 65 million years ago). Most dinosaur eggs have one of two forms of eggshell that are distinct from the shells of related modern animal groups, such as turtles or birds; however, some eggs closely resemble the type of shells seen in present day ostrich eggs. -
Polished Fossilised Tree Trunk Section
Late Triassic Period, circa 225 million years B.P.Sold for (Inc. bp): £26
A freestanding section of petrified wood showing attractive banding, some bark detail to the outer edge. 710 grams, 96 mm
From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection.
